Biology, 18.09.2019 18:00 chrisgaz14

Photoautotrophs chemoautotrophs cyanobacteria were the first organisms that released oxygen as a by-product of photosynthesis user: gymnosperms and angiosperms that were more adapted to land were seed-bearing and able to reproduce using
pollen
cones
flowers
seeds user: scientists believe cyanobacteria chemoautotrophs photoautotrophs were the first types of cells able to make their own food.

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